Police say the boy faces an attempted murder charge and was booked into the Clark County Juvenile Detention Center.

The gun was found at Frontier Middle School, according to Evergreen School District spokeswoman Kris Fay. The school and the elementary school next door were put in a lockdown for two hours. But the lockdown was lifted when police determined the building was safe. Nobody was hurt.

Police spokeswoman Kim Kapp said officers first got a tip that a student brought ammunition to school. They found the ammunition and a gun, although Kapp would not say what kind of weapon it was.

"It's scary because my daughter comes here for an education and I have to worry about some kid being irresponsible and bringing something that can hurt her," said parent Brittanie McWoods.

A spokesman for the Evergreen School District said a letter went home to parents who have kids that attend Frontier Middle School, but there wasn't enough time to send it home with the elementary school students because they were on early release.